Base | Representation |
---|---|
bin | 11110011101011101111100 |
3 | 120000200101111 |
4 | 132131131330 |
5 | 4021010040 |
6 | 443051404 |
7 | 124604641 |
oct | 36353574 |
9 | 16020344 |
10 | 7985020 |
11 | 456429a |
12 | 2810b64 |
13 | 1867684 |
14 | 10bbdc8 |
15 | a7adea |
hex | 79d77c |
7985020 has 24 divisors (see below), whose sum is σ = 16881984. Its totient is φ = 3172416.
The previous prime is 7985017. The next prime is 7985023. The reversal of 7985020 is 205897.
It is an interprime number because it is at equal distance from previous prime (7985017) and next prime (7985023).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7985023) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1869 + ... + 4411.
It is an arithmetic number, because the mean of its divisors is an integer number (703416).
Almost surely, 27985020 is an apocalyptic number.
It is an amenable number.
7985020 is an abundant number, since it is smaller than the sum of its proper divisors (8896964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7985020 is a wasteful number, since it uses less digits than its factorization.
7985020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2709 (or 2707 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 31.
The square root of 7985020 is about 2825.7777690399. Note that the first 4 decimals coincide. The cubic root of 7985020 is about 199.8750886687.
The spelling of 7985020 in words is "seven million, nine hundred eighty-five thousand, twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •